Magnetic separator.



M. DNGS & R. A. MANEGOLD.

MAGNETIC SEPARATOR. `APPLICATmN FILED Ausnl, 29H.

above the conveyors` the only provided with inclined bottom portions leading to a chute Q, through which the magnetite is discharged to any suitable point of delivery. The non-magnetizable materials on the shaking plates D are ted progressively inwardly and permitted to drop in the space' between the electro-magnetic coils below the inner margins of said. plates.

The vertical position of our magnets enables us to not only build separators in small units with large magnet coilsdue to the upright position, but this 'fact and also the use of reciprocating conveyors and a. solid disk shaped induction magnet enables us to build a machine which is adapted ior high intensity work, whereby we are enabled `to treat eebly magnetic material.

In constructing machines in accordance with our invention, the length oli the inagnet` and the diameter can be varied at will without making the machine clumsy. Further, we .are enabled to utilize both pole pieces of thc magnet, since both legs project upwardly and these pole pieces being ot opposite polarity, it is obvious that the lines of force will be caused to thread diametrically through the induction wheel ga ps beingl those `occupied by the comparatively thin vibratory or oscillatory conveyer plates. rlhis enables us toreduce the air gap between the magnet poles and the induction wheel or armature to less -owing to the fact that large coilsimay be rotating said disk employed in proportion to the size of the machine and both legs o'li the ma guet utilized with lines 'of force passing almost directly across from one pola to the other through the horizontally rotating solid armature with the air gaps reduced to a minimum, it will be obvious that ivi are able to produce a separator of great power in proportion to its size.

Having thus described our in vcntion. what we claim as new, and desire to secure by Letters Patent, is

.1. The combination with a set of 'vertically disposcd electromagnetic coils having polar projections of opposite po'larity at their upper ends, a horizontally rotating solid disk oi' magnetizable material having its outer portions located above said pole pieces and adapted tovform ai straight path for magnetic lines ot' 'Force extending directly across from the space above'one pole piece to the space above the other, means for and having vmeans for feeding material containing magnetite through the gap between the pole pieces and said isk, said conveying means comprising a'. thin support Jior the material having but rone thickness in the supporting member,

whereby the dimensions ot the air gaps are reduced to a minimum and a magnetic sepa* than one-hallc inch, and

'high intensity produced Lacasse rator o f high intensity produced in which the solid rotating disk forms an induced magnet rotating in close proximity to the pole pieces. y 4

.'lhe combination with an electromag net having ak set of .electromagnetic coils with vertical axes and inwardly projecting pole pieces, a vibratory -non-magnetizable conveyer extending inwardly above each pole piece Aand adapted .to deliver material to the spaces between the magnets, zontally rotatable solid isk of magnetizable material located immediately above and spanning the pole pieces, with theinner portions of the conveyers interposed, said disk having a diameter greater than the width olf the conveyors and constituting an in` duced ymagnet in va single magnetic field, which extends from one pole piece 'to the other through the disk and cuts the conveyers above each pole piece, each of said conveyors comprising a vibratory plate, means for reciprocating said plates, and a. set of ribs on each plate extending transversely to the line of reciprocatory movement and having inclined outer surfaces and abrupt inner surfaces, whereby the material will. be progressively shifted plates, substantially as described.

2l. A'- magnetic separator, comprising the combination with an electromagnet having an upwardly projecting pole piece, of a vibratory conveyer plate projecting inwardly over said poloY piece, means 'for imparting reciprocal vibrations to said platefa liorizontally rotatable solid disk ot' magnetizable material having a portion thereot` located immediately above the inner end portions of said plate and having a diameter greater than the width of the plate, and a set of conveyingribs on said plate having inclined outer surfaces and abrupt inner surfaces, substantially as described.

4. The combination with a setof electromagnetic polar projections'of opposite polarity at their upper ends, ahorizontally rotating solid diskv of magnetizable material having its outer portions'located above said pole pieces and adapted to forni a straight path tor magnetic lines of force extending directly across from the space above one pole piece to the space above the other, means ior rotatingsaid disk the gap between the pole pieces and said disk, said conveying means comprising a thin support for the material, whereby the dimensions of the air gaps are reduced to a minimum and a magnetic separator of in which the solid rotating disk torms an induced magnet rotating in close proximity to the pole pieces. 5. Means for separating ore comprising means for establishing a magnetic circuit and means for feeding material contaimng magnetite through` inwardly by said4 rio having magnetic gaps, seid ciicuit inelud- In testimony whereof We aix oui` signaing a rotatable disk and a. magnet core havtures in the presence of two Witnesses. ing each of its pole faces opposing the mem- MYRON DIN GS. bei to form the gaps, said disk forming a ROBERT A. MANEGGLD. 5 I'iux travel path between the gaps, and means Witnesses:

for positioning the ore materia Within the LEVERETT C. HEELER, gaps. I. D. BREMER. 

